I want to use the rand() function to put the same random value in two
adjacent cells in a row and then a new random value in the next two cells,
etc. The appearance might typically look as follows: c1=.33784, c2=.33784,
c3=.11562, c4=.11562, c5=.01356, c6=.01356, c7=.88158, c8=.88158, etc up to
about cell c2000.